Question

what is the cardinality of A= the set of prime Numbers from 1 to 12​

Answer 1

Answer:

Cardinality of A = 2

Step-by-step explanation:

the factors of 12are 1,2,3,4,6,12

so the prime factors of 12=2,3

we write the A in a roster form as A = {2,3}

and hence n( A) =2

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